- spare part for the Graph Tech Acousti-Phonic system
- stereo Switched Output Jack (4 contacts) used in the Acousti-Phonic Preamp kits
- replaces the standard 6.3 mm (1/4) guitar output jack and provides automatic stereo/mono mode switching and power on/off functions
- NOTE This component comes standard with the PE-0240-00, PE-0340-00, PK-0240-00, PK-0340-00, PK-0680-00, and PK-0780-00 kits.